/* FULLSCREEN IMAGE VIEWER */
#image-viewer {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 40px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    text-align: center;
}

#image-viewer img {
    max-width: 90%;
    max-height: 80%;
    border-radius: 8px;
    box-shadow: 0 0 20px #000;
}

#close-btn {
    position: absolute;
    top: 10px;
    right: 25px;
    font-size: 40px;
    font-weight: bold;
    color: white;
    cursor: pointer;
}